Add 18/80 and 1/81
18/80 + 1/81 is 769/3240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 81 is 6480
Next, find the equivalent fraction of both fractional numbers with denominator 6480 - For the 1st fraction, since 80 × 81 = 6480,
18/80 = 18 × 81/80 × 81 = 1458/6480 - Likewise, for the 2nd fraction, since 81 × 80 = 6480,
1/81 = 1 × 80/81 × 80 = 80/6480 - Add the two like fractions:
1458/6480 + 80/6480 = 1458 + 80/6480 = 1538/6480 - 1538/6480 simplified gives 769/3240
- So, 18/80 + 1/81 = 769/3240
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